B1827 Short to ground in the side squib left circuit
What does B1827 mean on a Toyota?
B1827. Short to ground in the side squib left circuit. The left seat airbag loop touches ground and the SRS light stays on. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1827
- Side squib wire shorted to ground on the left
- Faulty left side airbag assembly
- Corroded or loose squib connector
- Failed center airbag sensor assembly
- Chafed harness under the seat
How to fix B1827
- Disconnect the battery and wait before touching SRS circuits
- Confirm the code with an SRS-capable scan tool
- Inspect and reseat the squib connector
- Test the squib circuit for opens and shorts
- Replace the airbag part only after tests fail